The Mayhaw Festival presented by First Financial Bank, Murphy USA and the City of El Dorado is an annual street festival with craft and food vendors, vintage market, antique car show, Newton House Museum tours, 5K runs, kids activities, Mayhaw jelly and bluegrass music.

It is a great day of family fun held on the grounds of the Newton House Museum. The Mayhaw Festival is held on the first Saturday of May each year since 1992 and is put on by the South Arkansas Historical Preservation Society in El Dorado, Arkansas. This event is free and open to the public.